Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino Nano microcontroller, multiple TCRT-5000 IR sensors, an L298N DC motor driver, a buck converter, two hobby motors, and a 12V battery. The circuit is designed to interface sensors and control motors, with power management handled by the buck converter.

Component List

Arduino Nano

• Description: A small, complete, and breadboard-friendly board based on the ATmega328P.
• Pins: D1/TX, D0/RX, RESET, GND, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11/MOSI, D12/MISO, VIN, 5V, A7, A6, A5, A4, A3, A2, A1, A0, AREF, 3V3, D13/SCK

TCRT-5000 IR Sensor

• Description: An infrared sensor used for proximity detection.
• Pins: 5V, GND, D0, A0

L298N DC Motor Driver

• Description: A dual H-Bridge motor driver that allows control of two DC motors.
• Pins: OUT1, OUT2, 12V, GND, 5V, OUT3, OUT4, 5V-ENA-JMP-I, 5V-ENA-JMP-O, +5V-J1, +5V-J2, ENA, IN1, IN2, IN3, IN4, ENB

Buck Converter

• Description: A DC-DC converter that steps down voltage.
• Pins: IN+, IN-, OUT+, OUT-

Motor Amarillo Motorreductor Hobby

• Description: A small DC motor with a gearbox for hobby projects.
• Pins: vcc, GND

Battery 12V

• Description: A 12V battery used to power the circuit.
• Pins: +, -

Wiring Details

Arduino Nano

• GND connected to:

  • TCRT-5000 IR Sensor (GND)
  • TCRT-5000 IR Sensor (GND)
  • TCRT-5000 IR Sensor (GND)
  • Buck Converter (OUT-)

• D2 connected to:

  • TCRT-5000 IR Sensor (D0)

• D3 connected to:

  • TCRT-5000 IR Sensor (D0)

• D4 connected to:

  • TCRT-5000 IR Sensor (D0)

• D7 connected to:

  • L298N DC Motor Driver (ENB)

• D8 connected to:

  • L298N DC Motor Driver (IN4)

• D9 connected to:

  • L298N DC Motor Driver (IN3)

• D10 connected to:

  • L298N DC Motor Driver (IN2)

• D11/MOSI connected to:

  • L298N DC Motor Driver (IN1)

• D12/MISO connected to:

  • L298N DC Motor Driver (ENA)

• VIN connected to:

  • Buck Converter (OUT+)

• 5V connected to:

  • TCRT-5000 IR Sensor (5V)
  • TCRT-5000 IR Sensor (5V)
  • TCRT-5000 IR Sensor (5V)

TCRT-5000 IR Sensor

• GND connected to:

  • Arduino Nano (GND)

• D0 connected to:

  • Arduino Nano (D2)
  • Arduino Nano (D3)
  • Arduino Nano (D4)

• 5V connected to:

  • Arduino Nano (5V)

L298N DC Motor Driver

• ENB connected to:

  • Arduino Nano (D7)

• IN4 connected to:

  • Arduino Nano (D8)

• IN3 connected to:

  • Arduino Nano (D9)

• IN2 connected to:

  • Arduino Nano (D10)

• IN1 connected to:

  • Arduino Nano (D11/MOSI)

• ENA connected to:

  • Arduino Nano (D12/MISO)

• OUT1 connected to:

  • Motor Amarillo Motorreductor Hobby (GND)

• OUT2 connected to:

  • Motor Amarillo Motorreductor Hobby (vcc)

• OUT3 connected to:

  • Motor Amarillo Motorreductor Hobby (GND)

• OUT4 connected to:

  • Motor Amarillo Motorreductor Hobby (vcc)

• 12V connected to:

  • Buck Converter (IN+)
  • Battery 12V (+)

• GND connected to:

  • Buck Converter (IN-)
  • Battery 12V (-)

Buck Converter

• OUT+ connected to:

  • Arduino Nano (VIN)

• OUT- connected to:

  • Arduino Nano (GND)

• IN+ connected to:

  • L298N DC Motor Driver (12V)
  • Battery 12V (+)

• IN- connected to:

  • L298N DC Motor Driver (GND)
  • Battery 12V (-)

Motor Amarillo Motorreductor Hobby

• GND connected to:

  • L298N DC Motor Driver (OUT1)
  • L298N DC Motor Driver (OUT3)

• vcc connected to:

  • L298N DC Motor Driver (OUT2)
  • L298N DC Motor Driver (OUT4)

Battery 12V

• + connected to:

  • Buck Converter (IN+)
  • L298N DC Motor Driver (12V)

• - connected to:

  • Buck Converter (IN-)
  • L298N DC Motor Driver (GND)

Documented Code

Arduino Nano Code (sketch.ino)

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Additional Documentation (documentation.txt)